Plymouth, Washington Weather
Plymouth, Washington — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast, soil and crop conditions for Plymouth, Benton County.
Tides, marine forecast and fishing conditions near Plymouth. Tide source:
Full aviation weather for Plymouth is published on the Hermiston Municipal Airport (KHRI) page, 14 km away. It carries the current METAR decoded into plain language — surface wind, visibility, cloud layers and ceiling, temperature and dewpoint, and altimeter setting — alongside the raw observation as transmitted. 5 airfields within reach of Plymouth have their own pages, listed below.
The Terminal Aerodrome Forecast (TAF) is shown across its full validity period, with each change group broken out so you can see when conditions are expected to shift. Flight category is derived automatically — VFR, MVFR, IFR or LIFR — from reported ceiling and visibility, with runway details and field elevation alongside. Observations update roughly hourly and forecasts several times a day.
Other airports near Plymouth: Tri Cities Airport (KPSC) 41 km · Richland Airport (KRLD) 41 km · Prosser Airport (KS40) 46 km · Eastern Oregon Regional Airport at Pendleton (KPDT) 48 km
Conditions reported at KHRI describe the airfield itself. Weather 14 km away can differ, particularly in terrain or near the coast. For conditions at Plymouth specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Plymouth.
About Plymouth, Washington
Plymouth rests in a land shaped by wind and water, where the Columbia River carves a broad, shimmering path through the arid landscape. It lies 21.7 miles south-south-west of Kennewick, WA (from Kennewick, WA: bearing 208°T), and is situated 7.1 miles north-north-west of Hermiston. The terrain here is a study in subtle contrasts: rolling hills, dusted with sagebrush and hardy grasses, give way to the dramatic, sheer bluffs that plunge towards the river's edge. The sky overhead is a vast, ever-shifting canvas, often a brilliant, piercing blue that bleeds into the soft ochre and rust hues of the earth as the sun dips towards the horizon. A quiet stillness pervades this place, broken only by the whisper of the wind and the distant call of a hawk circling in the immense, open air. This particular corner of Benton County has long been a place of transit and cultivation, its history intertwined with the mighty Columbia. For generations, the river has been the lifeblood of the region, facilitating trade and supporting the agricultural endeavors that define Plymouth's economy. Orchards, heavy with the promise of fruit, and vineyards, their leaves catching the golden light, stretch across the fertile river terraces, a testament to human ingenuity in harnessing the power of this arid land. The legacy of the river's influence is palpable, a silent narrative etched into the very character of Plymouth, where the pace of life seems to echo the slow, steady flow of the water that has shaped its destiny.
Live animated radar for Plymouth and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
| Location | Plymouth, Benton County, Washington |
| Coordinates | 45.934577°N, 119.350296°W |
| Timezone | Pacific Time (America/Los_Angeles) |
| ZIP Code(s) | 99346 |
| Area Code | 509 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Plymouth, Washington Weather Page
This page provides live weather conditions and forecasts for Plymouth, Washington, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, precipitation radar and NOAA GOES-16 satellite imagery. Aviation weather — live METAR observations and TAF forecasts — is published separately on the pages for the nearest reporting airports, linked from the aviation section above. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.
Location data for Plymouth includes coordinates 45.934577°N, 119.350296°W, situated in Benton County. ZIP code 99346. Telephone area code: 509. Timezone: Pacific Time (America/Los_Angeles).
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.
